15results about How to "Increase separation rate" patented technology

The utility model relates to the field of membrane separation devices, and discloses a membrane separation device for collecting water vapor and oxygen from air, which comprises a main body, a water vapor collecting device and an oxygen separation device, the water vapor collecting device is arranged on the front side in the main body, the oxygen separation device is arranged on the rear side in the main body, and the main body comprises a shell. The upper portion of the front end of the shell is fixedly connected with an air inlet, the rear end of one side of the shell is fixedly connected with a storage box, the front side of the top end of the shell is fixedly connected with a first inspection opening, and the rear side of the top end of the shell is fixedly connected with a second inspection opening. According to the membrane separation device for collecting the water vapor and the oxygen from the air, the main body is arranged, the inspection openings are formed in the main body and used for maintaining the device, meanwhile, the water vapor collection device is used for effectively separating water in the air, and the oxygen separation device is used for separating the oxygen in the air.

The invention relates to a solid-liquid separation device for dredging mud in a ship lock approach channel, and belongs to the field of solid-liquid separation devices. The device comprises a separation box for the desilting machine and a feeding hopper arranged at the top of the separation box for the desilting machine. A coarse separation unit is arranged below the feeding hopper, and a fine separation unit is arranged at the bottom of the separation box for the dredging machine. The fine separation unit comprises a filter screen cylinder and two extrusion filter cylinders; semi-arc grooves are uniformly formed in the bottom of the separation box for the dredging machine; the filter screen cylinder is rotationally arranged in the semi-arc groove; the two extrusion filter cylinders are fixedly arranged on the two sides of the separation box for the dredging machine correspondingly and rotationally connected with the two ends of the filter screen cylinder correspondingly. A discharge hole is formed in one end, deviating from the filter screen cylinder, of the extrusion filter cylinder; a sealing unit is arranged at the discharge hole; the sealing unit is used for opening or closing the discharge hole; the filter screen cylinder is communicated with the two corresponding extrusion filter cylinders, and a working space is formed; a filter pressing unit is arranged in the working space in a sliding manner; the solid-liquid separation device has the technical effects of the solid-liquid separation device for ship lock approach channel dredging mud.

The utility model discloses a water area waste micro-plastic fiber separator, which comprises a separation tank, the bottom of the separation tank is respectively provided with a circulating spraying mechanism and a discharge port, the discharge port is communicated with the separation tank, the top of the separation tank is respectively provided with an installation groove and a feed port, the feed port is communicated with the separation tank, and the installation groove is communicated with the feed port. The two sides of the bottom of the separation tank are communicated with liquid outlets; according to the utility model, under the rotary matching of the conical filter plate and the annular baffle plate in the separation tank, fibers and impurities in waste micro-plastics are rotationally filtered on the surface of the conical filter plate, and under the blocking matching of the annular baffle plate to the conical filter plate, the impurities and the fibers are prevented from being vertically discharged together; and the opposite rotating structures of the two groups of brush plates on the outer side of the conical filter plate are utilized to promote the brush plates to scrape and brush plastic fibers and impurities on the surface of the conical filter plate, so that the separation rate of the fibers and the impurities is further enhanced, and the separation rate is improved.

The invention discloses a high-purity polyene fish oil extracting and distilling device, and relates to the technical field of distilling devices.The high-purity polyene fish oil extracting and distilling device comprises a distilling retort and a support for installing the distilling retort on the distilling retort, a motor is fixedly installed on the support, the output end of the motor rotationally penetrates through the outer wall of the support, and a rotating shaft is fixedly installed at the output end of the motor; the circumferential surface of the rotating shaft is in contact with the distillation retort, a fixed frame is fixedly mounted on the outer wall of the rotating shaft, the outer wall of the fixed frame is in contact with the distillation retort, and a distillation heater is mounted in the fixed frame; the high-purity polyene fish oil extracting and distilling device further comprises a turning mechanism mounted on the rotating shaft and an anti-sticking mechanism mounted on the rotating shaft, and during distillation and extraction, the rotating shaft drives the turning plate to turn over an extract, so that the extract is prevented from standing on an evaporation surface to form a liquid film boundary layer; the component separation rate in unit time is greatly improved, and the distillation time consumption is reduced.

The invention relates to a molybdenum-doped zinc cadmium sulfide solid solution photocatalyst and a preparation method and application thereof, the molybdenum-doped zinc cadmium sulfide solid solution photocatalyst is obtained by doping Mo with a Zn0. 3Cd0. 7S matrix, and the doping amount of Mo is 1-6% of the total molar weight of Zn and Cd. The molybdenum-doped cadmium zinc sulfide solid solution photocatalyst provided by the invention can form a Mo-based atomic-scale defect cluster with extremely high adsorption and catalytic activity, so that the adsorption activation of aromatic diol is remarkably improved, the dehydrogenation reaction of aromatic diol is accelerated and catalyzed to prepare hydrogen and aromatic alcohol ketone, the photocatalytic efficiency is extremely high, and the preparation process is simple. According to the present invention, with the catalyst, the aromatic diol can be converted into hydrogen and the high value-added chemical aromatic alcohol ketone through the one-step catalytic reaction under the irradiation of sunlight, the conversion rate of the substrate aromatic diol can be maximally close to 100% when the reaction time is 60-90 min, and the selectivity of the product aromatic alcohol ketone is good, and can be maximally 100%, such that no side reaction is generated;

The invention provides a palladium sulfide composite molybdenum disulfide hierarchical nanostructure based nitrogen dioxide sensor and a preparation method thereof, and belongs to the technical field of sensors and composite nanomaterials. The sensor comprises a substrate and a gas sensitive layer loaded on the substrate, the gas sensitive layer is a palladium sulfide-molybdenum disulfide composite nanomaterial, PdS nanoparticle clusters in the palladium sulfide-molybdenum disulfide composite nanomaterial are embedded in the surface of MoS2 nanoflowers, and PdS and MoS2 form a heterojunction, so that the separation and transmission rate of current carriers is increased, and the performance of the gas sensor is improved. Therefore, the gas-sensitive performance of the nitrogen dioxide sensor is improved, and the nitrogen dioxide sensor has a high response value and fast response recovery time for NO2 with ppm-level concentration.

The utility model discloses an iron separating device for halloysite, which relates to the technical field of kaolin iron separation, and comprises a separating device body suitable for separating kaolin iron, the separating device body comprises a separating box, a guide hopper is fixedly arranged at the bottom of the separating box, and the guide hopper is arranged on the separating box. Supporting legs are welded to the periphery of the bottom of the separation box, moving grooves are formed in the front portion and the rear portion of the top of the separation box, and a separation unit is arranged in the separation box. The magnetic net plate is arranged to screen kaolin, so that iron is adsorbed to the top of the magnetic net plate, the iron in the kaolin can be conveniently separated, the purity of the kaolin is improved, the vibrator is started to promote the vibrating rods to continuously abut against the outer surfaces of the two sides of the rectangular frame, and the kaolin is more uniform in vibration. And the rectangular frame drives the separation frame to continuously shake left and right, kaolin at the top of the magnetic suction net plate is vibrated to be dispersed, and the iron separation rate is increased.

The present invention relates to a liquid-liquid separator for the safe and efficient separation of hazardous chemical mixtures. The present invention comprises a liquid-liquid separator tank, a wire mesh demister, a coalescing plate group, a liquid discharge control device and a measurement and control system; the wire mesh demister and the coalescing plate group are located in the liquid-liquid separator tank; wherein the wire mesh demister is used to achieve foam elimination of the hazardous chemical mixture to be separated; the coalescing plate group is used to make the fluid flow state of the unstratified two-phase mixture alternate between laminar flow and turbulent flow; the liquid discharge control device is used to achieve real-time separation of the hazardous chemical mixture with an unknown two-phase volume ratio. The present invention installs a fishbone-shaped coalescing plate in the middle section of the liquid-liquid separator to make the fluid flow state of the unstratified two-phase mixture alternate between laminar flow and turbulent flow, which is beneficial to the mutual collision and agglomeration between the two-phase droplets, thereby improving the separation efficiency and rate of hazardous chemicals in the liquid-liquid separator.

The application belongs to the technical field of SERS detection, and particularly relates to an Ag-CuCo 0.5 Al 1.5 O4 composite SERS substrate in detecting 4-mercaptobenzoic acid in wastewater. First, CuCo 0.5 Al 1.5 O4 nanoparticles are prepared by high-temperature calcination process, and then silver nanoparticles are loaded by in-situ growth mode to obtain an Ag-CuCo 0.5 Al 1.5 O4 composite SERS substrate, and the substrate is fixed on a glass sheet substrate to complete the detection system construction. The composite substrate can greatly improve the separation and transmission rate of photo-generated carriers. Meanwhile, the cobalt and aluminum bimetallic synergistic effect can effectively introduce rich structural defect sites, realize the precise regulation of material electronic structure, build an efficient transmission channel for interface charge transfer, improve the Raman scattering signal enhancement effect of the detected molecules, and finally realize the precise detection of trace 4-mercaptobenzoic acid pollutants in wastewater.

This invention relates to the field of wastewater treatment technology, and in particular to a double-layer limiting plastic pin cleaning wastewater treatment tool, including a wastewater cylinder and a starting component for treating double-layer limiting plastic pin cleaning wastewater on a support block. Through the arrangement of the starting component, filtration component, and concentrating component, the bearing bar and bearing rod drive the scraper at the bottom of the lifting column to reciprocate and scrape along the curved surface of the irregular platform. The bearing plate continuously impacts and touches the inner wall of the cylinder, generating high-frequency vibration. The scraping and vibration work together to clean the plastic impurities adhering to the surface and pores of the irregular platform mesh in real time. Addressing the electrostatic adsorption effect generated by the friction between the release agent film on the surface of the plastic debris and the water flow, this dual action prevents plastic impurities from embedding and jamming the filter pores, avoiding the core problems of easy filter layer clogging, continuous decline in flow efficiency, and excessive fluctuations in suspended solids in the effluent. It maintains a stable effective flow area on the irregular platform filter surface and reduces the frequency of filter layer disassembly and replacement.

The invention provides a MoS2-based 0D / 2D homojunction photoelectric sensor and a preparation method thereof, and belongs to the technical field of photoelectric devices. Preparing a single-layer molybdenum disulfide film by adopting a mechanical stripping method, and transferring the single-layer molybdenum disulfide film to a patterned silicon wafer electrode by adopting a dry method; and spin-coating the molybdenum disulfide quantum dot supernatant on a single-layer molybdenum disulfide film, drying and annealing to obtain the MoS2-based 0D / 2D homojunction photoelectric sensor. According to the MoS2-based 0D / 2D homojunction photoelectric sensor and the preparation method thereof, MoS2QDs with efficient light absorption and single-layer MoS2 are integrated together, and the MoS2-based 0D / 2D homojunction photoelectric sensor is prepared. In the structure, the single layer of MoS2 is used as a carrier transport channel with high mobility, and the MoS2QDs are used as an effective light absorbent to enhance a local electric field around the MoS2. The MoS2QDs and the single-layer MoS2 are combined, the separation rate of photon-generated carriers in the homojunction is increased by utilizing the synergistic effect of the MoS2QDs and the single-layer MoS2, the light absorption energy of the MoS2 is improved, and under exciting light of 532 nm, the highest response rate of the homojunction is 27.6 A / W, and the highest detection rate is 2.13 * 10 < 11 > Jone. The 0D / 2D homojunction photoelectric sensor based on MoS2 realizes low cost and high performance in the preparation process, and has very strong practicability.

The invention discloses a preparation method and application of a two-dimensional Bi2WO6-Ti3C2Tx-mg-C3N4 ternary composite catalyst, comprising the following steps: synthesizing a g-C3N4 precursor on the surface of a mesoporous SiO2 ball by a template method, removing the template by NH5F corrosion, and preparing mesoporous mg-C3N4; etching Ti3AlC2 by HCl and LiF to obtain Ti3C2Tx MXene, and preparing Ti3C2Tx; anchoring mg-C3N4 and Ti3C2Tx to a Bi2WO6 precursor solution, and preparing a two-dimensional Bi2WO6-Ti3C2Tx-mg-C3N4 ternary composite catalyst by hydrothermal method. The catalyst of the invention can efficiently degrade blood lipid-lowering pollutants in a water environment, and has the advantages of low cost, high activity, stable performance, etc.

A gas-liquid separation unit comprises an inner shell, a U-shaped pipe and a bent pipe, a gas-liquid separation space is defined by the inner shell, the bent pipe is arranged on the inner shell and communicates with the gas-liquid separation space, the U-shaped pipe is arranged in the gas-liquid separation space, the U-shaped pipe is provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are communicated with each other. The gas inlet is located in the gas-liquid separation space, the gas outlet extends out of the gas-liquid separation space, the gas-liquid separation unit is sleeved with the liquid storage unit, the liquid storage unit and the gas-liquid separation unit form a liquid storage space, the liquid storage unit comprises an outer shell, a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are arranged on the outer shell and communicated with the liquid storage space. The U-shaped pipe and the bent pipe form an independent gas-liquid separation unit, the liquid inlet pipe and the liquid outlet pipe form an independent liquid storage unit, and the gas-liquid separation unit is sleeved with the liquid storage unit, so that connecting pipelines and valves are omitted, the space occupation ratio is reduced, heat exchange of refrigerants in the liquid storage space and the gas-liquid separation space can be achieved, and the refrigeration efficiency is improved.